EP0865798A2 - Laryngeal mask - Google Patents
Laryngeal mask Download PDFInfo
- Publication number
- EP0865798A2 EP0865798A2 EP98301535A EP98301535A EP0865798A2 EP 0865798 A2 EP0865798 A2 EP 0865798A2 EP 98301535 A EP98301535 A EP 98301535A EP 98301535 A EP98301535 A EP 98301535A EP 0865798 A2 EP0865798 A2 EP 0865798A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- mask
- mask portion
- mount
- laryngeal mask
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000002409 epiglottis Anatomy 0.000 claims abstract description 12
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920002614 Polyether block amide Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 210000002683 foot Anatomy 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000003026 hypopharynx Anatomy 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 210000001260 vocal cord Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0402—Special features for tracheal tubes not otherwise provided for
- A61M16/0409—Special features for tracheal tubes not otherwise provided for with mean for closing the oesophagus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0625—Mouth
- A61M2210/0656—Epiglottis
Abstract
Description
- Figure 1
- is a side elevation view of the assembly;
- Figure 2
- is a sectional side elevation view of the patient end of the assembly to an enlarged scale;
- Figure 3
- is a view from below of the patient end of the assembly;
- Figure 4
- is a transverse sectional view along the line IV-IV of Figure 3;
- Figure 5
- is a view from below of the patient end of an alternative assembly;
- Figure 6
- is a sectional side elevation view of the patient end of the assembly shown in Figure 5; and
- Figure 7
- is a view from below of another alternative assembly.
Claims (7)
- A laryngeal mask assembly comprising a tube (1) with a mask portion (13) at its patient end (14), the tube (1) opening into the centre of the mask portion (13) and the mask portion having a generally elliptical shape, characterised in that the mask assembly has at least one member (31 to 33, 51 to 53, 61) projecting down from the roof (34) of the centre of the mask portion (13), so as to deflect the epiglottis away from the opening of the tube (1) during insertion of the assembly.
- A laryngeal mask assembly according to Claim 1, characterised in that the or each projecting member is a rib (31 to 33) extending laterally of the major axis of the elliptical shape of the mask portion (13).
- A laryngeal mask assembly according to Claim 2, characterised in that the lower end of the or each rib (31 to 33) has a concave profile (36) with rounded projections (37) at opposite ends.
- A laryngeal mask assembly according to Claim 1, characterised in that the or each projecting member is a rib (51 to 53) extending parallel to the major axis of the elliptical shape of the mask portion (13).
- A laryngeal mask assembly according to any one of the preceding claims, characterised in that the assembly includes three of the projecting members (31 to 33, 51 to 53).
- A laryngeal mask assembly according to Claim 1, characterised in that the or each projecting member is a tooth (61) with a rounded lower end.
- A laryngeal mask assembly according to any one of the preceding claims, characterised in that the mask portion (13) comprises a mount member (15) attached with the tube (1) and a cuff member (16) attached with the mount member (15), and that the or each projecting member (31 to 33, 51 to 53, 61) is moulded with the mount member (15).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9705585 | 1997-03-18 | ||
GBGB9705585.9A GB9705585D0 (en) | 1997-03-18 | 1997-03-18 | Laryngeal mask assemlies |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0865798A2 true EP0865798A2 (en) | 1998-09-23 |
EP0865798A3 EP0865798A3 (en) | 1999-12-01 |
EP0865798B1 EP0865798B1 (en) | 2003-06-18 |
Family
ID=10809439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98301535A Expired - Lifetime EP0865798B1 (en) | 1997-03-18 | 1998-03-03 | Laryngeal mask |
Country Status (6)
Country | Link |
---|---|
US (1) | US6240922B1 (en) |
EP (1) | EP0865798B1 (en) |
JP (1) | JPH10263086A (en) |
AU (1) | AU732963B2 (en) |
DE (1) | DE69815569T2 (en) |
GB (2) | GB9705585D0 (en) |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0935971A2 (en) * | 1998-02-17 | 1999-08-18 | Smiths Industries Public Limited Company | Laryngeal mask airways and their manufacture |
US6439232B1 (en) | 1998-08-13 | 2002-08-27 | Archibald Ian Jeremy Brain | Laryngeal mask airway device |
US6705318B1 (en) | 1999-04-09 | 2004-03-16 | Archibald I. J. Brain | Disposable LMA |
US6792948B2 (en) | 2003-01-22 | 2004-09-21 | Archibald I. J. Brain | Laryngeal mask airway device with airway tube having flattened outer circumference and elliptical inner airway passage |
GB2405589A (en) * | 2003-09-03 | 2005-03-09 | Daniel James Cook | Laryngeal mask |
WO2005058402A1 (en) * | 2003-12-18 | 2005-06-30 | Ideamed N.V. | Respiratory tube having a cuff with a construction zone |
US6918388B2 (en) | 1997-07-25 | 2005-07-19 | The Laryngeal Mask Company Limited | Intubating laryngeal mask |
WO2005087300A1 (en) | 2004-03-09 | 2005-09-22 | Nellcor Puritan Bennett Incorporated | Laryngeal airway device |
US7004169B2 (en) | 1999-10-07 | 2006-02-28 | Indian Ocean Medical Inc. | Laryngeal mask with large-bore gastric drainage |
US7128071B2 (en) | 2003-09-10 | 2006-10-31 | Indian Ocean Medical Inc. | Intubating laryngeal mask airway device with fiber optic assembly |
US7134431B2 (en) | 2003-09-08 | 2006-11-14 | Indian Ocean Medical Inc. | Laryngeal mask airway device with position controlling tab |
US7156100B1 (en) | 1998-10-06 | 2007-01-02 | The Laryngeal Mask Company Ltd. | Laryngeal mask airway device |
US7159589B2 (en) | 2001-08-23 | 2007-01-09 | Indian Ocean Medical Inc. | Disposable laryngeal mask airway device |
US9265904B2 (en) | 2009-07-06 | 2016-02-23 | Teleflex Life Sciences | Artificial airway |
US9528897B2 (en) | 2009-08-13 | 2016-12-27 | Chimden Medical Pty Ltd | Pressure indicator |
US9662465B2 (en) | 2005-05-27 | 2017-05-30 | The Laryngeal Mask Company Ltd. | Laryngeal mask airway device |
US9675772B2 (en) | 2010-10-15 | 2017-06-13 | The Laryngeal Mask Company Limited | Artificial airway device |
US9974912B2 (en) | 2010-10-01 | 2018-05-22 | Teleflex Life Sciences Unlimited Company | Artificial airway device |
CN108904946A (en) * | 2013-12-17 | 2018-11-30 | 英特外科股份公司 | People with or animal airway device |
US10549054B2 (en) | 2011-02-02 | 2020-02-04 | Teleflex Life Sciences Unlimited Company | Artificial airway |
US10576229B2 (en) | 2009-03-03 | 2020-03-03 | The Laryngeal Mask Company Limited | Artificial airway device |
US10806327B2 (en) | 2011-11-30 | 2020-10-20 | Teleflex Life Sciences Pte, Ltd. | Laryngeal mask for use with an endoscope |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5878745A (en) * | 1996-03-01 | 1999-03-09 | Brain; Archibald I.J. | Gastro-laryngeal mask |
NL1004640C2 (en) * | 1996-11-28 | 1998-06-05 | Ideamed N V | Ventilation equipment. |
US7357845B2 (en) * | 1997-04-10 | 2008-04-15 | Cookgas, L.L.C. | Methods of making laryngeal masks |
GB9727367D0 (en) * | 1997-12-24 | 1998-02-25 | Brain Archibald Ian Jeremy | Improvements in laryngeal mask airway devices |
AU2008230028B2 (en) * | 1998-10-06 | 2012-01-12 | The Laryngeal Mask Company Limited | Laryngeal mask airway device |
US7712467B2 (en) * | 1999-04-14 | 2010-05-11 | Vital Signs, Inc. | Artificial airway device and method of its use |
US6511676B1 (en) * | 1999-11-05 | 2003-01-28 | Teni Boulikas | Therapy for human cancers using cisplatin and other drugs or genes encapsulated into liposomes |
GB0002805D0 (en) * | 2000-02-08 | 2000-03-29 | Smiths Industries Plc | Masks and their manufacture |
GB0031661D0 (en) * | 2000-12-22 | 2001-02-07 | Smiths Group Plc | Laryngeal mask assemblies |
US6705322B2 (en) * | 2002-03-11 | 2004-03-16 | Ti-Li Chang | Laryngeal mask airway |
US7040312B2 (en) * | 2002-05-16 | 2006-05-09 | Engineered Medical Systems, Inc. | Perilaryngeal oral airway with flexible tip guide |
TWM240225U (en) * | 2003-04-10 | 2004-08-11 | Di-Li Jang | Improved throat mask |
US20050178388A1 (en) * | 2004-02-18 | 2005-08-18 | Kuo Chi C. | Throat mask with soft tube |
AU2011244931B2 (en) * | 2005-05-27 | 2014-08-07 | Teleflex Life Sciences Llc | Laryngeal mask airway device |
US20070023051A1 (en) * | 2005-07-30 | 2007-02-01 | Cook Daniel J | Inflatable airways with pressure monitoring devices |
US7900632B2 (en) * | 2006-08-18 | 2011-03-08 | Cookgas, L.L.C. | Laryngeal mask with esophageal blocker and bite block |
US7780900B2 (en) | 2006-09-15 | 2010-08-24 | Cookgas, Llc | Methods of forming a laryngeal mask |
US7784464B2 (en) | 2006-09-15 | 2010-08-31 | Cookgas, Llc | Laryngeal mask |
US7934502B2 (en) * | 2007-05-11 | 2011-05-03 | Cookgas, Llc | Self-pressurizing supraglottic airway |
US9956367B1 (en) * | 2014-01-06 | 2018-05-01 | Yang Sun | Laryngascope free airway device |
AU201714823S (en) | 2017-02-27 | 2017-10-12 | Teleflex Life Sciences Unlimited Co | Laryngeal mask airway device |
GB201720733D0 (en) | 2017-12-13 | 2018-01-24 | Ashkal Development Ltd | Airway device |
CN108211062A (en) * | 2018-02-07 | 2018-06-29 | 浙江优亿医疗器械有限公司 | A kind of improved visual laryngeal mask |
PL3549627T3 (en) * | 2018-02-07 | 2022-02-07 | Zhejiang Ue Medical Corp. | Improved video laryngeal mask |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5241956A (en) | 1992-05-21 | 1993-09-07 | Brain Archibald Ian Jeremy | Laryngeal mask airway with concentric drainage of oesophagus discharge |
US5249571A (en) | 1992-05-21 | 1993-10-05 | Brain Archibald Ian Jeremy | Laryngeal clamp airway |
US5282464A (en) | 1992-07-21 | 1994-02-01 | Brain Archibald Ian Jeremy | Combined laryngeal mask and reflectance oximeter |
US5297547A (en) | 1992-07-30 | 1994-03-29 | Brain Archibald Ian Jeremy | Laryngeal mask construction |
US5303697A (en) | 1991-02-11 | 1994-04-19 | Brain Archibald Ian Jeremy | Artificial airway device |
US5305743A (en) | 1992-03-05 | 1994-04-26 | Brain Archibald Ian Jeremy | Artificial airway device |
US5355879A (en) | 1992-09-28 | 1994-10-18 | Brain Archibald Ian Jeremy | Laryngeal-mask construction |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2205499B (en) * | 1987-06-05 | 1991-01-16 | Archibald Ian Jeremy Brain | Artificial airway device |
MY115052A (en) * | 1995-10-03 | 2003-03-31 | Archibald Ian Jeremy Brain | Laryngeal mask airway incorporating an epiglottic elevating mechanism |
US5937860A (en) * | 1997-04-10 | 1999-08-17 | Cook; Daniel J. | Laryngeal mask |
-
1997
- 1997-03-18 GB GBGB9705585.9A patent/GB9705585D0/en active Pending
-
1998
- 1998-03-03 EP EP98301535A patent/EP0865798B1/en not_active Expired - Lifetime
- 1998-03-03 DE DE69815569T patent/DE69815569T2/en not_active Expired - Fee Related
- 1998-03-03 GB GB9804320A patent/GB2323290B/en not_active Expired - Fee Related
- 1998-03-11 US US09/038,285 patent/US6240922B1/en not_active Expired - Fee Related
- 1998-03-12 JP JP10061275A patent/JPH10263086A/en active Pending
- 1998-03-16 AU AU58406/98A patent/AU732963B2/en not_active Ceased
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5303697A (en) | 1991-02-11 | 1994-04-19 | Brain Archibald Ian Jeremy | Artificial airway device |
US5305743A (en) | 1992-03-05 | 1994-04-26 | Brain Archibald Ian Jeremy | Artificial airway device |
US5241956A (en) | 1992-05-21 | 1993-09-07 | Brain Archibald Ian Jeremy | Laryngeal mask airway with concentric drainage of oesophagus discharge |
US5249571A (en) | 1992-05-21 | 1993-10-05 | Brain Archibald Ian Jeremy | Laryngeal clamp airway |
GB2267034A (en) | 1992-05-21 | 1993-11-24 | Archibald Ian Jeremy Brain | Laryngeal airway clamp |
US5282464A (en) | 1992-07-21 | 1994-02-01 | Brain Archibald Ian Jeremy | Combined laryngeal mask and reflectance oximeter |
US5297547A (en) | 1992-07-30 | 1994-03-29 | Brain Archibald Ian Jeremy | Laryngeal mask construction |
US5355879A (en) | 1992-09-28 | 1994-10-18 | Brain Archibald Ian Jeremy | Laryngeal-mask construction |
Cited By (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6918388B2 (en) | 1997-07-25 | 2005-07-19 | The Laryngeal Mask Company Limited | Intubating laryngeal mask |
EP0935971A3 (en) * | 1998-02-17 | 2000-07-05 | Smiths Industries Public Limited Company | Laryngeal mask airways and their manufacture |
EP0935971A2 (en) * | 1998-02-17 | 1999-08-18 | Smiths Industries Public Limited Company | Laryngeal mask airways and their manufacture |
US6604525B2 (en) | 1998-02-17 | 2003-08-12 | Smiths Group Plc | Laryngeal mask airways and their manufacture |
US7305985B2 (en) | 1998-08-13 | 2007-12-11 | The Laryngeal Mask Company Limited | Laryngeal mask airway device |
US9694150B2 (en) | 1998-08-13 | 2017-07-04 | The Laryngeal Mask Company Limited | Laryngeal mask airway device |
US6439232B1 (en) | 1998-08-13 | 2002-08-27 | Archibald Ian Jeremy Brain | Laryngeal mask airway device |
US7156100B1 (en) | 1998-10-06 | 2007-01-02 | The Laryngeal Mask Company Ltd. | Laryngeal mask airway device |
US6705318B1 (en) | 1999-04-09 | 2004-03-16 | Archibald I. J. Brain | Disposable LMA |
US7097802B2 (en) | 1999-04-09 | 2006-08-29 | Indian Ocean Medical Inc. | Disposable LMA |
US7004169B2 (en) | 1999-10-07 | 2006-02-28 | Indian Ocean Medical Inc. | Laryngeal mask with large-bore gastric drainage |
US7159589B2 (en) | 2001-08-23 | 2007-01-09 | Indian Ocean Medical Inc. | Disposable laryngeal mask airway device |
US9027559B2 (en) | 2003-01-22 | 2015-05-12 | The Laryngeal Mask Company Ltd. | Laryngeal mask airway device with airway tube having flattened outer circumference and elliptical inner airway passage |
US6792948B2 (en) | 2003-01-22 | 2004-09-21 | Archibald I. J. Brain | Laryngeal mask airway device with airway tube having flattened outer circumference and elliptical inner airway passage |
GB2405589B (en) * | 2003-09-03 | 2008-03-05 | Daniel James Cook | Laryngeal mask |
GB2405589A (en) * | 2003-09-03 | 2005-03-09 | Daniel James Cook | Laryngeal mask |
US7134431B2 (en) | 2003-09-08 | 2006-11-14 | Indian Ocean Medical Inc. | Laryngeal mask airway device with position controlling tab |
US7896007B2 (en) | 2003-09-10 | 2011-03-01 | Indian Ocean Medical Inc. | Intubating laryngeal mask airway device with fiber optic assembly |
US7128071B2 (en) | 2003-09-10 | 2006-10-31 | Indian Ocean Medical Inc. | Intubating laryngeal mask airway device with fiber optic assembly |
WO2005058402A1 (en) * | 2003-12-18 | 2005-06-30 | Ideamed N.V. | Respiratory tube having a cuff with a construction zone |
WO2005087300A1 (en) | 2004-03-09 | 2005-09-22 | Nellcor Puritan Bennett Incorporated | Laryngeal airway device |
CN1956746B (en) * | 2004-03-09 | 2010-05-05 | 内尔科尔普里坦贝内特公司 | Laryngeal airway device |
US9662465B2 (en) | 2005-05-27 | 2017-05-30 | The Laryngeal Mask Company Ltd. | Laryngeal mask airway device |
US10576229B2 (en) | 2009-03-03 | 2020-03-03 | The Laryngeal Mask Company Limited | Artificial airway device |
US9265904B2 (en) | 2009-07-06 | 2016-02-23 | Teleflex Life Sciences | Artificial airway |
US10576230B2 (en) | 2009-07-06 | 2020-03-03 | Teleflex Life Sciences Unlimited Company | Artificial airway |
US9528897B2 (en) | 2009-08-13 | 2016-12-27 | Chimden Medical Pty Ltd | Pressure indicator |
US10126197B2 (en) | 2009-08-13 | 2018-11-13 | Teleflex Life Sciences | Pressure indicator |
US9974912B2 (en) | 2010-10-01 | 2018-05-22 | Teleflex Life Sciences Unlimited Company | Artificial airway device |
US9675772B2 (en) | 2010-10-15 | 2017-06-13 | The Laryngeal Mask Company Limited | Artificial airway device |
US10842962B2 (en) | 2010-10-15 | 2020-11-24 | Teleflex Life Sciences Pte. Ltd. | Artificial airway device |
US10549054B2 (en) | 2011-02-02 | 2020-02-04 | Teleflex Life Sciences Unlimited Company | Artificial airway |
US10806327B2 (en) | 2011-11-30 | 2020-10-20 | Teleflex Life Sciences Pte, Ltd. | Laryngeal mask for use with an endoscope |
CN108904946A (en) * | 2013-12-17 | 2018-11-30 | 英特外科股份公司 | People with or animal airway device |
EP3520849B1 (en) * | 2013-12-17 | 2022-06-29 | Intersurgical AG | Intubating airway device |
Also Published As
Publication number | Publication date |
---|---|
GB9705585D0 (en) | 1997-05-07 |
AU5840698A (en) | 1998-09-24 |
AU732963B2 (en) | 2001-05-03 |
DE69815569D1 (en) | 2003-07-24 |
DE69815569T2 (en) | 2004-04-29 |
JPH10263086A (en) | 1998-10-06 |
EP0865798B1 (en) | 2003-06-18 |
GB2323290B (en) | 2001-02-14 |
US6240922B1 (en) | 2001-06-05 |
GB9804320D0 (en) | 1998-04-22 |
GB2323290A (en) | 1998-09-23 |
EP0865798A3 (en) | 1999-12-01 |
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